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Natural vs Treated Tourmaline: An Afghan Collec...
Most of the tourmaline coming out of Afghanistan is still mined the way it has been for decades, by hand, with chisels and wire brushes, inside narrow tunnels cut into...
Natural vs Treated Tourmaline: An Afghan Collec...
Most of the tourmaline coming out of Afghanistan is still mined the way it has been for decades, by hand, with chisels and wire brushes, inside narrow tunnels cut into...
The Right Way to Clean and Care for Raw Mineral...
A pyrite specimen left in a humid room can start breaking down into a fine yellow powder within a few years, a well documented process collectors call pyrite disease, and...
The Right Way to Clean and Care for Raw Mineral...
A pyrite specimen left in a humid room can start breaking down into a fine yellow powder within a few years, a well documented process collectors call pyrite disease, and...
Skardu Aquamarine: A Collector's Guide to Pakis...
In 2019, miners spent twelve days hauling a single aquamarine cluster down a cliff face in Pakistan's Shigar Valley, a specimen so extraordinary it now sits in the Houston Museum...
Skardu Aquamarine: A Collector's Guide to Pakis...
In 2019, miners spent twelve days hauling a single aquamarine cluster down a cliff face in Pakistan's Shigar Valley, a specimen so extraordinary it now sits in the Houston Museum...
Rough or Polished: How Serious Collectors Actua...
Walk into any gem show and you will see the same scene play out at nearly every table. One collector is running a hand over the raw, jagged surface of...
Rough or Polished: How Serious Collectors Actua...
Walk into any gem show and you will see the same scene play out at nearly every table. One collector is running a hand over the raw, jagged surface of...
Afghan Lapis Lazuli: A Real Buying Guide to Gra...
Every serious mineral collector runs into the same problem with lapis lazuli sooner or later. The market is full of it, but very little of what gets sold as "lapis"...
Afghan Lapis Lazuli: A Real Buying Guide to Gra...
Every serious mineral collector runs into the same problem with lapis lazuli sooner or later. The market is full of it, but very little of what gets sold as "lapis"...
How to Choose a Feldspar Mica Specimen: Collect...
Feldspar mica specimen: How to Choose — Collector's Buying Guide Feldspar mica specimen is a collector’s mineral that pairs the blocky strength of feldspar with the reflective sheets of mica....
How to Choose a Feldspar Mica Specimen: Collect...
Feldspar mica specimen: How to Choose — Collector's Buying Guide Feldspar mica specimen is a collector’s mineral that pairs the blocky strength of feldspar with the reflective sheets of mica....